Patents
Sitemap › H04 - Electric communication technique › H04L - Transmission of digital information, e.g. telegraphic communication › H04L 27 - Modulated-carrier systems
Patents for H04L 27 - Modulated-carrier systems (89,721)
12/2007
12/05/2007CN101083648A OFDM receiver, interference wave discernment method, window control apparatus and window control method
12/05/2007CN101083647A Method for realizing synchronization in multi-input multi-output OFDM system
12/05/2007CN101083646A Channel estimation optimizing method for amplitude-limiting OFDM system
12/05/2007CN101083645A Low complexity OFDM quick synchronising method
12/05/2007CN101083644A Channel estimation method of OFDM system
12/05/2007CN101083643A Low memory spending hybrid base FFT processor and its method
12/05/2007CN101083639A Fraction time sampling based filter group and filtering method
12/05/2007CN101083552A Method and apparatus for multi-carrier frequency system resource management
12/05/2007CN101083515A Channel estimation method and apparatus for OFDM of transmission diversity
12/05/2007CN101083510A Systems and methods for high rate OFDM communications
12/05/2007CN101083508A OFDM modulation system performance test method based on low peak-valley ratio sequence transmission
12/05/2007CN101083500A Blind identification of advanced modulation and coding modes
12/05/2007CN101082906A Fixed-base FFT processor with low memory spending and method thereof
12/05/2007CN100353803C Networking method for OFDMA system
12/05/2007CN100353731C Orthogonal multiplexing orthogonal amplitude modulating and changing method and device
12/05/2007CN100353730C Self adaption orthogonal frequency division multiplexing transmitting method and system variable subcarrier number
12/05/2007CN100353729C Transponder with two supply voltages
12/04/2007US7305608 DSL trellis encoding
12/04/2007US7305460 Initialization file downloading apparatus and method of cable modem
12/04/2007US7305425 Method and device for digital filtering of interpolated values
12/04/2007US7305219 Portable radio terminal and AFC control method
12/04/2007US7305213 Receiver and wireless LAN apparatus in which a received signal is correlated to a reference symbol
12/04/2007US7305056 Coherent tracking for FM in-band on-channel receivers
12/04/2007US7305053 Dat-aided frequency offset detection using phase unwrapping
12/04/2007US7305052 UWB communication receiver feedback loop
12/04/2007US7305051 Optimum training sequences for wireless systems
12/04/2007US7305050 Method and apparatus for processing signals received from a channel having a variable channel length
12/04/2007US7305049 Characterizing channel response in a single upstream burst using redundant information from training tones
12/04/2007US7305048 Burst mode receiver and method for stable reception of packet data on telephone line
12/04/2007US7305047 Automatic lane assignment for a receiver
12/04/2007US7305046 I/Q modulator with carrier predistortion
12/04/2007US7305045 Low voltage swing pad driver and receiver
12/04/2007US7305044 Data modulation method and apparatus
12/04/2007US7305043 Method and apparatus for formatting signals for digital audio broadcasting transmission and reception
12/04/2007US7305042 T1 radio having coding gain adjustable for number of channels
12/04/2007US7305041 Peak suppression of multi-carrier signal with different modulation
12/04/2007US7305040 Edit system, edit control device, and edit control method
12/04/2007US7305039 Adaptively configurable class-A/class-B transmit DAC for transceiver emission and power consumption control
12/04/2007US7305037 Calibration system for a communications system
12/04/2007US7305023 Receivers for cycle encoded signals
12/04/2007US7305001 ADSL modem apparatus and ADSL modem communication method
12/04/2007US7304977 Implementation for a 5 sample guard interval for multi-band OFDM
12/04/2007US7304939 Communication using simultaneous orthogonal signals
12/04/2007CA2504865C Transmitter for qam encoded data
12/04/2007CA2407686C Packet transmission system and packet transmission method
12/04/2007CA2380745C Device for receiving digital signals and device for transmitting digital signals
11/2007
11/29/2007WO2007137263A2 Signal acquisition for wireless communication systems
11/29/2007WO2007136306A1 Method and arrangement in a communication system
11/29/2007WO2007136212A2 A method of configuring wireless resource for effective and efficient transmission in a wireless communication system
11/29/2007WO2007136211A2 A method of utilizing and manipulating wireless resources for efficient and effective wireless communication
11/29/2007WO2007136002A1 Radio transmission device and radio transmission method
11/29/2007WO2007135185A1 Distribution of bits over radio channels taking account of radio channel quality
11/29/2007WO2007118104A3 Cli pping for control of peak to average power ratio
11/29/2007WO2007117403A3 Method of providing pilot signals for uplink power control
11/29/2007WO2007097776A3 Simplified timing correction for data despreading of serial offset quadrature pulse-shaped spread signals
11/29/2007WO2007061462A3 Digital clock controller with radio receiver
11/29/2007WO2006128188A3 Adaptive interpolator for channel estimation
11/29/2007US20070276892 Finite impulse response filter and digital signal receiving apparatus
11/29/2007US20070275674 Compensation of i-q imbalance in digital transceivers
11/29/2007US20070274420 Method and Apparatus for Scanning for Digital Subchannels in a Hybrid Analog/Digital Broadcast
11/29/2007US20070274419 Apparatus and method of detecting error symbol, and disk drive apparatus using the same
11/29/2007US20070274418 Method and apparatus for delayed recursion decoder
11/29/2007US20070274417 Signal quality estimator
11/29/2007US20070274416 Phase error correction circuit
11/29/2007US20070274415 Single and multiple sinewave modulation and demodulation techniques employing carrier-zero and carrier-peak data-word start and stop
11/29/2007US20070274413 System and Method for Combining a Plurality of Signals of Various Phases Having a Wide Frequency Range
11/29/2007US20070274409 Multi input multi output (MIMO) orthogonal frequency division multiple access (OFDMA) communication system
11/29/2007US20070274408 Preamble design for multiple input - multiple output (MIMO), orthogonal frequency division multiplexing (OFDM) system
11/29/2007US20070274407 Decoding System And Method For Digital Communications
11/29/2007US20070274405 Digital broadcast receiver, mobile terminal and channel search method
11/29/2007US20070274404 Method for distributed spectrum management of digital communications systems
11/29/2007US20070274403 Method for Constituting Layered Cell in Ofdma System
11/29/2007US20070274267 Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system
11/29/2007US20070274202 Forward-looking tone allocation in multipoint-to-point communication using orthogonal frequency division multiplexing
11/29/2007US20070274200 Remote band scanning in multipoint-to-point orthogonal frequency division mulitiplexing communication
11/29/2007US20070273790 Television apparatus
11/29/2007DE102005051813B4 Verfahren zum Aufbereiten eines Signals und Empfänger A method of processing a signal and receiver
11/29/2007CA2651399A1 Signal acquisition in a wireless communication system
11/29/2007CA2651398A1 Signal acquisition for wireless communication systems
11/29/2007CA2650783A1 Single-burst acquisition for wireless communication system
11/29/2007CA2650431A1 Phase correction for ofdm and mimo transmissions
11/28/2007EP1860839A1 Allocation of bits to radio channels taking into account the radio channel quality
11/28/2007EP1860838A1 Data transmission using phase modulation over two signal paths
11/28/2007EP1860812A2 Reception device in a radio communication system
11/28/2007EP1860810A1 Wireless communication apparatus and channel estimation and separation methods in multi-input system
11/28/2007EP1860790A1 Transmission method and transmission system
11/28/2007EP1859593A1 All-fiber phase controlled delay interferometer and method of making the same
11/28/2007EP1859592A1 Pilot signal transmission for an orthogonal frequency division wireless communication system
11/28/2007EP1859591A1 Pilot signal transmission for an orthogonal frequency division wireless communication system
11/28/2007EP1815630A4 Method and apparatus for combining space-frequency block coding, spatial multiplexing and beamforming in a mimo-ofdm system
11/28/2007EP1652303A4 Apparatus and method for transmitter phase shift compensation
11/28/2007EP1512257B1 System and method for providing private in-band data to digital set-top boxes in a broadcast environment
11/28/2007EP1295405A4 Ultra wide bandwidth spread-spectrum communications method and system
11/28/2007EP1105976B1 Time offset technique for increasing the capacity of a cdma system
11/28/2007CN101080911A Calibrating amplitude and phase imbalance and DC offset of an analog i /q modulator in a high-frequency transmitter
11/28/2007CN101080910A Adaptive pre-emphasis filtering in a phase modulator
11/28/2007CN101080909A Wireless transmitter, signal to subcarrier allocation method for synchronizing symbol, and wireless receiver
11/28/2007CN101080908A System and method for enlarging amplitude minima in a linear modulation signal
11/28/2007CN101080907A Method and apparatus for improved efficiency in an extended multiple antenna communication system
11/28/2007CN101080081A Allocation and indication method of system resource
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